Home / 12,817,886.10-17,688,681.50-7,016,671.77

Finding the Fourth Proportional to 12,817,886.10, 17,688,681.50 and 7,016,671.77

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Solution

The fourth proportional to 12,817,886.10, 17,688,681.50 and 7,016,671.77 is: 9,683,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,886.10 : 17,688,681.50 = 7,016,671.77 : x
  2. Step 2: Convert to fraction form
    12,817,886.10/17,688,681.50 = 7,016,671.77/x
  3. Step 3: Cross multiply
    12,817,886.10x = 17,688,681.50 × 7,016,671.77
  4. Step 4: Simplify right side
    12,817,886.10x = 124,115,672,067,624.12
  5. Step 5: Solve for x
    x = 124,115,672,067,624.12/12,817,886.10
  6. Step 6: Final answer
    x = 9,683,006.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.